The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 23, 2024

Filed:

Feb. 01, 2022
Applicant:

Nxp Usa, Inc., Austin, TX (US);

Inventors:

Bo Fan, Tianjin, CN;

Meng Wang, Tanggu, CN;

Pengcheng Lin, Tianjin, CN;

Assignee:

NXP USA, INC., Austin, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/156 (2006.01); H02M 3/158 (2006.01); H02M 3/155 (2006.01); G05F 1/613 (2006.01); H02M 1/08 (2006.01); H02M 7/219 (2006.01);
U.S. Cl.
CPC ...
H02M 3/155 (2013.01); G05F 1/613 (2013.01); H02M 1/08 (2013.01); H02M 7/219 (2013.01); H02M 3/156 (2013.01); H02M 3/158 (2013.01); H02M 3/1588 (2013.01);
Abstract

A controller for a half-bridge power circuit includes a measurement circuit, a controller circuit, a high-side delay circuit, and a low-side delay circuit. The measurement circuit connects to the half-bridge node, measures the half-bridge voltage, and generates a multi-bit status signal indicative of the measured half-bridge voltage. The controller circuit connects to the measurement circuit, and receives the status signal therefrom. The controller circuit generates at least a delay control signal based on the status signal. The high-side delay circuit connects to the controller circuit to receive the delay control signal. The high-side delay circuit provides a high-side control signal in response to the delay control signal, to switch on/off the high-side switch. The low-side delay circuit connects to the controller circuit to receive the delay control signal. The low-side delay circuit provides a low-side control signal in response to the delay control signal, to switch on/off the low-side switch.


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